Objectives
In this chapter you will learn
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Command-line terminology and the differences between the terms terminal, console, shell, command line, and session
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Three different methods for gaining access to the Linux command-line interface (CLI)
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To use the bash shell
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About some other, alternative shells
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Why it can be useful to have multiple command-line sessions open simultaneously
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At least three different ways to deal with multiple command-line interfaces
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Some basic but important Linux commands
